定期排污的目的是排除炉内或汽包内形成的水渣、泥渣沉淀物，调整炉内或汽包内水的品质。连续排污的目的是防止（）升高，保证稳定的水质。
参考答案：含盐量
— Have you graduated from collage?
— Yes, ________.
A．I studied French for two years.
B．I have been studying French.
C．I have studied French for two years.
D．I had studied French for two years.
下列哪些阐述是对定活通业务表述正确的（）
A.定活通账户活期向定期转账的起点金额为5000元
B.当客户在他行POS刷卡或ATM取现而余额不足时，定期存款将自动转为活期存款
C.同一客户只能签订一次定活通理财协议
